Home / 272,922.97-409,463.64-112,969.45

Finding the Fourth Proportional to 272,922.97, 409,463.64 and 112,969.45

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Solution

The fourth proportional to 272,922.97, 409,463.64 and 112,969.45 is: 169,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,922.97 : 409,463.64 = 112,969.45 : x
  2. Step 2: Convert to fraction form
    272,922.97/409,463.64 = 112,969.45/x
  3. Step 3: Cross multiply
    272,922.97x = 409,463.64 × 112,969.45
  4. Step 4: Simplify right side
    272,922.97x = 46,256,882,205.80
  5. Step 5: Solve for x
    x = 46,256,882,205.80/272,922.97
  6. Step 6: Final answer
    x = 169,486.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.